Summary of the water volume and mitigation measures in Rayong and Chonburi Provinces for 2023 On 24th November 2023 28/11/66
1
Overview of water situation in Rayong-Chonburi area on 24th Nov 2023 P2
P3 P4
Private Pond
Chonburi
Detail
P1
Reservoir capacity (MCM) (Temporary increase) Current storage volume 17.00 (MCM) on 24 Nov 2023 Percentage of reservoir capacity Samnakbok Useable storage volume Reserve Pond (excluding Dead Storage) (MCM) P5
BangPhra
Nong Kho
Dokkrai
Nong Pla Lai
Klong Yai
117.00
21.40
71.40 (79.41)
163.75 (187.62)
40.10 295.00 (51.10)
85.23
10.63
57.87
163.99
31.75
274.31
73%
50%
81%
100%
79%
93.0%
73.18
9.63
54.87
150.49
28.75
254.31
0.140
-
0.337
Inflow into reservoir (MCM) (On 23 Nov 2023)
85.23
Bang Phra res. P6
10.63
Nong Kho res. P7
48.00
Water volume compared to previous week (-decrease, +increase) (MCM) Total water volume in each area
38.00
-0.44
31.75
Dok Krai res. P12
P8
P11
P9
Prasae
0.00
0.478 -0.38
+0.76
-0.96
-0.38
-4.74
-0.83
-0.57
95.86 MCM (69.3%)
253.61 MCM (92.14%)
Ref: water situation from RID on 24 Nov 2023
274.31 Prasae res.
Khlong Yai res. Nong Pla163.99 Lai res.
57.87
P
P15
P10
Normal 50.01-80.00% Emergency 30.01-50.00% Critical <30.00%
XX Demand 2023 (MCM.)
XX XX
P13
156.60
Rayong
Supply (MCM.) Pump Station
Raw Water Pipe Line (EW) P14
Existing Pipe Network Constructing Pipe Network
Raw Water Pipe Line (RID) Existing Pipe Network Constructing Pipe Network
Water situation of Bangphra, Nongkho Reservoir
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Water situation of Bangphra Reservoir (by Year)
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4
Water situation of Nongkho Reservoir (by Year)
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5
Water situation of Nongplalai, Dokkrai and Klongyai Reservoirs
Water situation of Dokkrai Reservoir (by Year)
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Water situation of Nongplalai Reservoir (by Year)
Water situation of Klongyai Reservoir (by Year)
Water situation of Prasae Reservoir
Summary of water shortage prevention and mitigation measures in Rayong and Chonburi Provinces 2023 Planned Water Volume (MCM) 2023
Measure JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
Total
7.50
7.80
7.80
7.80
7.80
7.80
8.06
54.00
0.25
0.25
0.25
0.25
5.00
7.50
6.88
29.68
1. Primary measures
1.1Water diversion via pumping from Prasae Reservoir * Divert water to irrigation
area during Feb until May 2023
1.2 Divert Water from Bangpakong River + Private Pond
Planned PS - KY Planned PS- NPL PS-KY*
1.55
1.40
3.10
3.00
0.25
Actual PS-NPL
0.39 0.39 1.40 1.42 0.33 0.35 0.38 0.33 0.39
Planned Private Pond
1.83
1.60
1.92
0.74
1.74
1.19
Planned
0.84
15.46
6.99
7.49
3.81
2 Aug
1.17 1.88 1.17 2.62 2.62 1.60 0.03
10.95 25.16
11.93 23 Nov 4.86
27.53
5.00 10.00 10.00 14.00 11.00
50.00
10 Oct 2.87 0.00
7.94
Planned
14.00 14.00 14.00 14.00
56.00
Actual
5.17 15.37 11.57 12.43 9.94
6.51
Bangpakong
Planned 1.3 Klong Saphan reverse KlongSaphan
Actual KlongSaphan
1.4 Divert Water from Klong Pra Ong Chaiyanuchit
23 Nov 5.60 4.48
0.89
6.87
Actual
pumping station
79.23
1.04
Bangpakong
Actual Private Pond
23 Nov 6.43
7.06 2.92 8.82 6.62 3.95 8.48 9.03 8.92 8.09 8.91
0.51
0.48
1.61
0.00
7.80
2.47
8.36
23 Nov
54.48
Target Line and Reservoir Simulation in Chonburi
On 24 Nov 2023 Water Volume 120.91 MCM
155
Normal Status (All Clear) Prepare water reserve 130
155
•
•
Water shortage warning Minimum storage volume15.05 MCM.
Prepare water reserve 130
•
Surveillance of water scarcity
Normal Status (All Clear)
• •
Divert water from Bang Pa Kong River and Pra Ong Chaiyanuchit (diversion will according to the water situation) Increase water diversion from Rayong (diversion will according to the water situation)
Divert Water from Khlong Luang Ratchalothorn reservoir (diversion will according to the water situation) Consideration for another private pond Reduce water usage for various activities
155
Target Line and Reservoir Simulation in Rayong
Increase reservoir capacity for temporary 318.13 MCM.
Normal Status (All Clear)
On 24 Nov 2023 Water Volume 253.62 MCM or 92.14%
230 Prepare water reserve
220 170
Normal Status (All Clear) 220 170
• •
Surveillance of water scarcity •
Water shortage warning
(Temporary capacity 79.72%)
• •
Divert water from Prasae reservoir via Prasae-Klong Yai pipeline and PrasaeNong Pla Lai pipeline (diversion will according to the water situation) Divert water from Wat La Harn Rai to Nong Pla Lai reservoir (diversion will according to the water situation) Divert water from Prasae reservoir via Prasae-Klong Yai pipeline and Prasae-Nong Pla Lai pipeline (Full efficiency) Divert water from Wat La Harn Rai to Nong Pla Lai reservoir (Full efficiency) Reduce water consumption for all activities
Minimum storage volume 31.70 MCM. 28/11/66
13
Target Line and Reservoir Simulation in Prasae
On 24 Nov 2023 Water Volume 274.31 MCM or 92.99%
Storage Volume 295.0 MCM
Normal Status (All Clear) 250 Prepare water reserve
• •
Surveillance of water scarcity
Water shortage warning Minimum storage volume 20.0 MCM.
•
250
Normal Status (All Clear) Prepare water reserve
Divert water from Khlong Saphan canal to Prasae reservoir (diversion will according to the water situation) Divert water from Wang Ta Nod canal to Prasae reservoir (diversion will according to the water situation) decrease divert water from Prasae reservoir (diversion will according to the water situation)
• Reduce water consumption for all activities
250
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